Multistage h-shaped soil retaining pile

The utility model provides a multistage h-shaped soil retaining pile. The multistage h-shaped soil retaining pile comprises a plurality of rows of vertical limbs which are arranged in a foundation pit; the vertical limbs are steel columns; the first row of vertical limbs are in contact with the inner wall surface of the foundation pit; the heights are gradually decreased from the first row of vertical limbs to the nth row of vertical limbs; the vertical limbs are perpendicular to the horizontal plane; the lower end of every vertical limb is inserted into the bottom surface of the foundation pit; the portion of the lower end of every vertical limb, which is inserted into the bottom surface of the foundation pit, is an embedded section; the portion of every vertical limb, which is exposed out of the bottom surface of the foundation pit, is a free section; concrete is poured in the embedded section of every vertical limb; the free section of every vertical limb is filled with sand and or plaster; every two adjac